‘ a=[‘a‘,3] a.append([‘b‘,‘c‘]) [‘a‘, 3, [‘b‘, ‘c‘]] `
` a.extend([‘d‘,6]) [‘a‘, 3, [‘b‘, ‘c‘], ‘d‘, 6] `
` ‘{0:.1f}‘.format(698.25) 698.2 ‘{0:.1f}‘.format(698.26) 698.3 `
python3小知识点
原文：http://www.cnblogs.com/tianboblog/p/7019710.html
